2102200223197 has 2 divisors, whose sum is σ = 2102200223198. Its totient is φ = 2102200223196.

The previous prime is 2102200223191. The next prime is 2102200223219. The reversal of 2102200223197 is 7913220022012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1997490382276 + 104709840921 = 1413326^2 + 323589^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102200223197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102200223191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051100111598 + 1051100111599.

It is an arithmetic number, because the mean of its divisors is an integer number (1051100111599).

Almost surely, 2^{2102200223197} is an apocalyptic number.

It is an amenable number.

2102200223197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102200223197 is an equidigital number, since it uses as much as digits as its factorization.

2102200223197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 2102200223197 in words is "two trillion, one hundred two billion, two hundred million, two hundred twenty-three thousand, one hundred ninety-seven".